Directions:
1.) PREPARE boiling water canner. Heat jars and lids in simmering water until ready for use. Do not boil. Set bands aside.

2.) COMBINE prepared berries with lemon juice and sugar in a 6- or 8-quart saucepan. Add up to 1/2 tsp butter or margarine to reduce foaming, if desired. Bring mixture to a full rolling boil that cannot be stirred down, over high heat, stirring frequently.